baber/WOPTO huggingface dataset:
Patent GB-961431-A (GB)
Title: Improvements in fluid-operated mechanisms
Inventor: CONNELL MICHAEL ERNEST
IPC: F15B9/17
Filed: 1959-07-31
Abstract: 961,431. Fluid-pressure servomotor systems. DOWTY ROTOL Ltd. Aug. 2, 1960 [July 32, 1959], No. 26367/59. Heading G3P. A servo mechanism comprises an output means 123 which is movable and subjected to opposite forces by fluid pressure in two chambers 122, 170, a fluid supply passage 158 or 173 to each of the two chambers, and a fluid exit passage 162 or 176 from at least one of the two chambers, input means 167 for partially a obturating one of the passages to a variable degree, and means 160 for throttling another of the passages to a variable degree in response to movement of part 150 of the output means of frusto-conical shape, the slope of the part 150 being in a direction such that movement of the means 160 stabilizes the output means 123. When the jack 111 is to be extended an electrical signal at 180 causes a transducer 117 to move an armature 167 towards a nozzle 163 and away from a nozzle 177. The pressure in a chamber 122 is thus caused to rise while that in a chamber 170 falls, both chambers being connected to a common supply passage 138 which is also connected to the jack 111 by a spool valve 123. The difference in pressure between the chamber displaces the valve 123 to the left connecting the supply passage 138 to the left hand side of the jack and an exhaust passage 153 to the opposite side. Movement of the jack adjusts a poetentiometer 114 to cancel the input signal at the transducer while movement of the valve 123 causes a conical surface 150 on a member 149 to adjust a ported cap closure 160 on the inlet to the chamber 122 to restore the pressure balance on the valve 123. If the jack is to be contracted, the armature 167 is caused to move towards the nozzle 177. In a modified construction, the latter and the chamber 170 that it controls are replaced by a plunger mounted in an axial bore is the valve 123 and urged into contact with one end of the valve housing by supply pressure. In both constructions, the inlet to the chamber 122, which need not be at right angles to the valve 123, may be controlled by a flat surface on the member 149. Dimensions for nozzles &c. are given in the Specification. The valve 123 may be replaced by a switch-actuating member.
Patent GB-1200418-A (GB)
Title: Electric currrent producing cell
IPC: H01M6/08
Filed: 1968-06-04
Abstract: 1,200,418. Carburized electrodes. MALLORY BATTERIES Ltd. 4 June, 1968 [7 June, 1967], No. 26513/68. Heading H1B. A cell has a metal cathode container with a a carburized surface in intimate contact with the cathode depolarizer. The cathode is drawn from steel or nickel-plated steel and carburized in a hydrocarbon atmosphere at 1000- 1200 C., and the cell is a primary, alkaline zinc cell. The carburized cathode may also be of Fe, Ni or Ti. The carburized cathodes may also be used in secondary cells.
Patent GB-385040-A (GB)
Title: Disc clutches
IPC: F16D13/71
Filed: 1931-09-23
Abstract: 385,040. Friction clutches. STANLEY, G. E., 92, Godiva Street, and ROBINSON, F. J., 11, Warwick Row, both in Coventry. Sept. 23, 1931, No. 26548. [Class 80 (ii).] In friction clutches with a single driven plate 3, the presser plate 11 is withdrawn by pegs 12 hinged to radial levers 17 and having limited pivotal movement on radial bolts 13, the heads of which form driving means for the plate 11 by slidably engaging slots 7 in a flanged pressing 4, 5, 6 secured to the driving flywheel 2. The pegs 12, preferably four in number, project with clearance through holes 16 in the flange 6 and are received in circular recesses or in a common annular groove in the presser plate. The bolts 13 are provided with nuts 14 and steadying springs 15, and have slight clearance in their holes, whereby the presser plate can adjust itself in all directions, thus avoiding tendency to sticking and " shudder." Each peg may be hollow and contain an antirattle spring 18, Fig. 3, bearing on a lever 17, or springs, 19, Fig. 2, may connect the inner ends of the bolts 13 to the levers. The levers 17 fulcrum on bridges 20, Fig. 2, or on a thickened rim 21 of the flange 6, Fig. 3.
Patent GB-1055941-A (GB)
Title: Improvements in and relating to expanded polyurethanes
IPC: C08G63/68
Filed: 1963-07-04
Abstract: Rigid, self-extinguishing expanded polyurethanes are prepared by reacting, in the presence of a blowing agent, an organic polyisocyanate with one or more highly chlorinated polyesters resulting from the reaction of at least one dicarboxylic acid with at least one polyol, one of said polyols at least having the formula <FORM:1055941/C3/1> wherein R is a polychloro-diphenyl radical; A is an atom of nitrogen, oxygen, sulphur, phosphorus or silicon; R1 is a saturated aliphatic radical or an unsaturated aliphatic radical containing at least one ethylenic double bond, a cyclic radical or a heterocyclic radical and carries at least one hydroxyl group; R2 is hydrogen or a radical identical to R1, the number of radicals R2 on each A atom being equal to the valency of A minus two; and the reactants being used in proportions such that there are 0.3 to 1.3 isocyanate groups present for each hydroxyl group of the polyester. Polyisocyanates include the following diisocyanates: 2,4- and 2,6-tolylene-, trimethylene-, hexamethylene-, ethylene-, 1,2-propylene-, and 4,4-diphenylmethane-diisocyanates, separately or in mixtures.  Dicarboxylic acids from which the polyesters are derived may be maleic, fumaric, phthalic, tetrachlorophthalic, succinic, adipic, or hexachloroendomethylene-tetrahydrophthalic acids, and acids derived from halopolyphenols.  Highly chlorinated polyols of the above formula include bis-(hydroxy) octo-chloro-diphenyl, and N,N1-bis-(ethane - 2 - ol) - diamino - octochlorodiphenyl. Non-chlorinated polyols which may be included in the polyester constituents may be glycerol, trimethylolpropane, pentaerythritol, and ethylene or propylene glycol.  In the polyurethane production, reaction rate and pore size are preferably controlled by addition of accelerator mixtures, such as water-polyoxyethylene glycol-tertiary amine in proportions by volume of 10:10:5 respectively. Foaming is effected by inclusion in the reaction mixture of conventional blowing agents, such as volatile C1 to C5 halogenated alkanes or alkenes. Other ingredients of the reaction mixture may be siloxane-alkylene oxide block co-polymers and tin dioctoate.  Examples are given for the preparation of rigid polyurethane foams from polyesters derived from the two above specified chlorinated diphenyl diols and a variety of non-chlorinated polyols and dicarboxylic acids. Preferred polyurethanes contain more than 30% by weight of chlorine.
Patent GB-1345174-A (GB)
Title: Brake lining support plate for disc brakes
IPC: F16D65/092
Filed: 1971-04-19
Abstract: 1345174 Friction linings and pads W BUSCH and H FRIEDERICHS 19 April 1971 [8 April 1970] 26594/71 Heading F2E A detachable friction lining 15 mounted in a dovetail shaped groove 13 of a support plate 11 is locked in position by means of a member 18 of a resilient retainer movable transversely in a further groove 17 of the support plate. In the embodiment shown for a disc brake of a rail vehicle the clamp comprises two members 18, 19 held in position by means of a bent over lip 20 of member 19, which member is of spring steel, or a pin 21 engaging a hole 22 in a member having a track 23 over which the lip or pin slides when the clamp is moved to allow access to the friction lining. In a further embodiment the clamp comprises a single forked clamping member (30), Fig. 5 (not shown) held in position by means of a spring biased pin (35) engaging a notch (37) in member (30).
Patent GB-260587-A (GB)
Title: Improvements in and relating to regulators for electric machines or circuits
IPC: H02P9/26
Filed: 1926-10-25
Abstract: 260,587. British Thomson-Houston Co., Ltd., (Assignees of Mittag, A. H.). Oct. 28, 1925, [Convention date]. Regulation, automatic system and apparatus for. - The output voltage of an alternator is regulated by varying the relation of grid potential to anode potential of a thermionic valve used to rectify current drawn from the alternator and supplied to either the field thereof or to the field of an exciter therefor. The field 3 of the alternator 1 is supplied at starting by an auxiliary machine 24 or battery and thereafter from a transformer 4 through the anodes and cathode of a valve 5 and resistor 19. The grids of the valve are supplied through a transformer 21 from a phase shifter 22 connected to the mains 2. If the voltage on the mains increases, the torque on the device 22 is increased and the rotor thereof turns in opposition to the effect of a weight 23 to increase the phase difference between the potentials of the grids and the anodes of the valve 5 and thus reduce the current through the resistor 19 changes the bias on the grids to increase the current through the valve and thereby prevent the. regulating system from " hunting. " The regulating apparatus may be modified in the following respects. Instead of the valve being controlled by the phase relation between grids and plates, it may be controlled solely by variation in magnitude of grid potential, the phase displacement remaining constant and the grids being supplied from the mains through phase setting devices such as a tapping from an inductance connected between two of the phases or through a condenser. The grid bias resistor 19 can be replaced or supplemented by a biassing battery or auxiliary machine, and further instead of it being traversed by the field current it can be traversed by the anode current of an auxiliary valve, the grid of which is energized according to voltage of the mains 2.
Patent GB-1330732-A (GB)
Title: Dolomitic refractories
IPC: C04B35/03
Filed: 1971-04-19
Abstract: 1330732 Refractories; dolomite lime GENERAL REFRACTORIES CO 19 April 1971 [13 April 1970] 26630/71 Headings C1A and C1J Dolomite is calcined to produce a quicklime which is slaked at atmospheric pressure with at least 80% water only until the quicklime is partially hydrated and to the extent that it still contains 3-40% MgO, suitably shaped and then sintered to produce a refractory. The partially hydrated quicklime can be nedulized or briquetted and the refractory product mixed with pitch containing 2% of carbon black.
Patent GB-976430-A (GB)
Title: Tube forming machine for multilayer webs of paper or like material
IPC: B31B155/00
Filed: 1963-07-04
Abstract: 976,430. Tube-making machines. A. WINDMOLLER, and M. GENNERICH, [trading as WINDMOLLER & HOLSCHER]. July 4, 1963 [Aug. 8, 1962], No. 26637/63. Heading F2P. A tube-forming machine for use with a plurality of webs 19 to 24 of paper or like material, comprises adhesive-applying devices 14 to 18 positioned one above the other and weakening devices 39 to 44 also positioned one above the other. The devices 39 to 44 produce weakening lines in the webs which enable tube sections to be separated from the tube being formed, the webs at the end of a tube section being staggered and glued together. The lengths of the individual webs between a collecting roller 25 and the adhesive-applying devices are substantially equal whereas the respective lengths of the individual webs between the collecting roller and the weakening devices differ from one another. In the construction disclosed the machine may be adjusted to produce different lengths of tube sections by changing the web length fed during one revolution of the weakening devices which include perforating knives. The difference between the longest and shortest web between the collecting roller and the weakening device is not greater than the difference between the shortest and longest of the tube sections for which the machine may be adjusted.
Patent GB-1329499-A (GB)
Title: Method for producing microporous sheet material
IPC: D06N3/00
Filed: 1971-04-19
Abstract: 1329499 Microporous polyurethanes KANEGAFUCHI BOSEKI KK 19 April 1971 [13 April 1970] 26806/71 Heading C3R [Also in Division B2] Microporous sheet material is formed by coating at least one surface of a substrate with a mixture of (i) a solution of polymer predominantly comprising a polyurethane in a water miscible organic solvent, (ii) 100-500% wt. based on the weight of the polyurethane of particles of at least one inorganic salt selected from NaCl KCl, Na 2 SO 4  and K 2 SO 4 , and (iii) 35-100% wt. based on the weight of polyurethane of at least one of stearic, palmitic or myristic acid, coagulating the polymer in water or an aqueous solution, washing and drying the coagulated polymer and stripping the polymer from the substrate to form a film. The polymer solution may also contain small amounts of polymers such as polyvinylchloride, polyvinylalcohol, polyacrylonitrile, polyacrylic acid or a polyacrylic ester and dyestuffs, pigments, light stabilizers, antistatic agents, dispersing agents and fillers may also be added. The coagulated polymer may be baffled to give it a suede-like appearance. The coating may be applied by spraying, knife or roller coating to woven, non- woven or knitted fabrics, sponge, paper, glass, metal or plastics plates or a plastics film.
Patent GB-1026951-A (GB)
Title: Improvements in time delay circuits
Inventor: SAINSBURY JEFFREY JEROME
IPC: H01H47/18
Filed: 1961-07-25
Abstract: 1,026,951. Capping bottles. FORDS (FINSBURY) Ltd. July 24, 1962 [July 25, 1961], No. 26899/61. Heading B8T. [Also in Division H3] Bottle capping apparatus comprises a capmaking machine and a cap-delivery shoot down which the caps produced pass and a detecting device associated with the shoot for controlling, starting and stopping of the cap-making machine, which detecting device starts the capmaking machine through a first time delay circuit when the caps in the shoot fall below a predetermined level and stops the machine when sufficient caps have been produced to raise the level of the caps in the shoot to the predetermined level. The detecting device also stops the cap-making machine through a second time delay circuit in the event that the capmaking machine, when operating, is not feeding caps to the shoot. The detecting device is in the form of a photo-transistor, Fig. 3 (not shown), the light falling thereon being interrupted by the caps falling down the shoot and is connected to transistor delay circuits which control the operation of two relays (see Division H3).
Patent GB-444576-A (GB)
Title: Articulated handles for stretchers
IPC: A61G1/013
Filed: 1934-09-19
Abstract: 444,576. Ambulance stretchers. NEUTECHNIK AKT.-GES., 7, Gerbergasse, Zurich, Switzerland. Sept. 19, 1934, No. 26928. Convention date, Sept. 19, 1933. [Class 108 (i)] In joints for the handle sections with spring latches which lock the sections in extended positions the latch comprises a spring-biassed yoke pivoted to one section and adapted to engage the other section when the handle is extended to position of use. The handle sections 1, 2 are provided with casings 3, 4 the end of the casing 3 being shaped as a pin hooked portion 5 which in the folded position of the handle is adapted to engage a pin 60 carried by lugs 7 on the casing 4. Pivoted to the casing 4 is a yoke 13 which is biassed by springs 18, 19 so that on moving the handle sections into extended position the yoke 13 is first pressed back by the cam face 20 on the casing 3 and then snaps over the casing 3 to lock the sections in extended position.
Patent GB-482832-A (GB)
Title: Improvements in scutchers or pickers for beating and opening cotton
IPC: D01G9/08
Filed: 1936-10-05
Abstract: 482,832. Scutching or opening cotton. KNOWLTON, H. W. Oct. 5,1936, No. 27017. [Class 120 (i)] [Also in Group XXVIII] A scutcher 10 having a fan 11, Fig. 1, is provided with an open-ended revoluble drum 18 having a perforated periphery 19, Fig. 2, to which air is delivered by the fan 11 and by which dust is removed from the air which is then discharged into the chamber 17. When the machine is in operation, dust-laden air from the collecting cages X, Y and chamber 10<x> is delivered by the fan 11 to the inlet 15 of a housing 16 and is forced into the gradually narrowing passage 26. The air passes through the perforations 20, Fig. 5, into the drum 18 and is discharged through the open ends into the chamber 17. The dust which collects on the drum 18 is removed by a revoluble roller 27 having a smooth or ribbed surface, Figs. 2 and 5, mounted on a lever 28 pivoted at 29 and pressed by a spring 30 into contact with the drum 18. The roller 27 is rotated by a sprocketchain 31 and the dust is delivered into a container 38. The drum-shaft 21 may be driven through worm gears 40, 43 from the shaft 44. Alternatively, the drum 18 may be rotated by ratchet-and-pawl mechanism.
Patent GB-757399-A (GB)
Title: Adaptors for coupling splined shafts
IPC: F16D1/06
Filed: 1953-10-02
Abstract: 757,399. Shaft couplings. LAMUDE, L. E. Oct. 4, 1954 [Oct. 2, 1953], No. 27021/53. Class 80(2). A shaft adaptor, for fitting on the end of a tractor &c. power take-off shaft which is to be coupled to a shaft of a different diameter, comprises a sleeve 1 internally splined at one end to receive the end of the power take-off shaft and externally splined at the other, the sleeve having a bore 6 at the externally splined end for a headed screw engaging a hole tapped in the end of the power take-off shaft. The internally splined end of the sleeve is formed as a collar 2 in which are tapped holes 5 for grub screws engaging a groove in the power take-off shaft. One of the external splines is recessed at 7 to receive a pinch bolt &c., by which the coupled shaft is retained in position.
Patent GB-928363-A (GB)
Title: An improved machine for treating textile skeins
IPC: D06B3/04
Filed: 1961-07-26
Abstract: <FORM:0928363/IV(a)/1> A machine for treating skeins of thread comprises a tank wherein there is disposed a series of pairs of rollers through which a pair of chains is guided in a zig-zag manner, the chains being suitably directed by intermediate tensioning rollers, a plurality of fastening members attached to the chains at their ends for supporting skeins, the chains moving in a circuit to guide the fastening members and the skeins at the exit from the tank through a pair of draining rollers disposed vertically above the tank, and to ventilate the skeins after their passage through the draining rollers, and a device for removal of the fastening members from the chains.  As shown the machine comprises tank 1 housing pairs of rollers 2, 3, the bottom one of each pair being fixed and the upper one being adjustable through a column 6 and hand wheel 10 so as to control the pressure between the rollers.  At the end of tank 1 are situated co-operating pressure rollers 11, 12 the roller 11 being fixed and roller 12 being spring or hydraulically urged against roller 11.  A pair of chains 24, 241 are arranged to follow a closed circuit on guide wheels 25 and carry between them a plurality of fastening members which have securing means for the skeins to be treated.  The chains move in an anti-clock-wise direction and carry the fastening members with skeins thereon through the tank 1, around rollers 2, 3, between drain rollers 11, 12 and thence around guide wheels 25 mounted in frame 26.  The chains 24, 241, roller 11 and bottom rollers 3 are driven from motor 31 by way of suitable transmission means and it is arranged that the peripheral speed of rollers 2 and 3 is slightly greater than the speed of chains 24, 241.
Patent GB-751740-A (GB)
Title: Improvements in and relating to the fixing of rotor blades of axial flow turbines and compressors
Inventor: FRANKEL ADOLF
IPC: F01D5/30
Filed: 1953-10-02
Abstract: 751,740. Mounting turbine and compressor blades. ENGLISH ELECTRIC CO., Ltd. Oct. 1, 1954 [Oct. 2, 1953], No. 27073/53. Class 110(3) In an axial-flow turbine or compressor in which blades are mounted in a circumferential groove in the rotor, lateral projections on the blade roots bearing upon overhanging peripheral ledges 2 on the rotor under the action of centrifugal force, a recess 1 is provided radially inwardly of the groove. The recess is of sufficient depth to drop the blades into, at least partly, during assembly, and is of sufficient width to' allow the blades to be turned to the angular positions they will occupy in the working position. Small projections 3 on the blade platform engage ledges on the overhanging ledges 2 on the rotor to support the blades during assembly and when the rotor is stationary. Each blade is dropped into the recess 1 to the position shown in chain-dotted lines in Fig. 1 and is then turned to its correct angular position and pulled outwardly to engage the ledges 2 on the rotor. A radial slot 5 is formed in both peripheral ledges 2 to allow the blade platforms to pass outwardly. The final or locking blade Figs. 4, 5 occupies the position at the radial slots 5, the sides of the blade platform being slotted at 10<SP>1</SP> and packing pieces 9 having tabs 10 are secured to the sides of the root, the tabs being susequently bent down to provide or when the rotor is stationary.
Patent GB-1383425-A (GB)
Title: Attitude control systems
IPC: B64G1/36
Filed: 1972-06-09
Abstract: 1383425 Automatic control of attitude FERRANTI Ltd 4 June 1973 [9 June 1972] 27125/72 Heading G3R A device for controlling the attitude of a body about an axis comprises an oscillating mass attached to the body, the moment of inertia of the mass being modulated at the frequency of oscillation of the mass, with control of the phase of the modulation relative to the mass oscillation. As shown, a mass 12 on a satellite is oscillated by motor 16 through gear-box 17. Signals dependent upon the angular position and direction of movement of mass 12, and upon the attitude of the satellite with respect to a fixed axis, for example from a gyroscope, are used by control 19 to vary the excitation of electromagnets 15 which control the position of weights (13) Fig. 2 (not shown), on spring cantilever arms carried by the mass. So that these weights are in different radial positions for different directions of the mass oscillations. The resultant different moment of inertia of mass 12 for the different directions produces a rotation on the satellite to control its attitude, such a control may be applied to more than one axis.
Patent GB-820179-A (GB)
Title: Improvements in or relating to shuttlecocks
IPC: A63B67/193
Filed: 1956-09-05
Abstract: 820,179. Shuttlecocks. AMM, C., [trading as AMM METALLWARENFABRIK, C.]. Sept. 5, 1956 [Sept. 6, 1955; Jan. 26, 1956; March 24, 1956], No. 27158/56. Class 132(3) Fig. 1 shows a shuttlecock having a synthetic plastic body portion a provided. with stabilizers b which in a further construction, Fig. 3 (not shown) are disposed at an angle to the line of flight so as to cause the shuttlecock to spin during flight; the stabilizers may take various forms, Fig. 2 (not shown). Additional subsidiary members may be provided. in the body portion to slow the flight of the shuttlecock. A cap c, Fig. 5, may be of solid rubber or other resilient material; alternatively it may be of foam rubber or foam synthetic plastic surrounded with a protective coating. As shown, the cap has a portion f which is located in the base a of the body and which is secured by a ring, pin or sleeve. The cap shown in Fig. 6 is of soft rubber and to increase its resiliency has bores 8, 9 formed in it. A spring ring 7 for securing the cap is located in a recess 7a which also houses a reed sounder 11 operated by air flow through the bores 8, 9 when the shuttlecock is in flight. Figs. 8, 9 show a part of a shuttlecock body of which rib members 1a is strengthened by members 7a join circumferential portions 2a, 3a. The portions of the rib members remote from the cap may be other than straight, Figs 11-14 (not shown).